package oo.day01;

public class StudentTest {
    public static void main(String[] args) {
        Student student = new Student();
        student.name = "dqh";
        student.age = 20;
        student.say();

        //类里面只带默认值，引用为null，int为0,boolean默认为false
        Student student1 = new Student();
        student1.say();
    }
}
